Disease status Mean SNOT-22 (Non-smokers) SD Mean SNOT-22 (Smokers) SD Mean difference (95% CI) P-value
Controls 11.23 13.08 16.82 17.77 5.59 (-1.55,12.73) 0.1204
CRSsNPs 44.35 21.02 54.66 18.99 10.30 (4.95,15.66) 0.0002
CRSwNPs 43.47 21.25 53.64 24.14 10.17 (4.60,15.74) 0.0004
Overall (CRS +Controls) 39.22 23.18 47.58 25.31 8.37 (4.49,12.25) <0.0001